Coring bit for road surface quality detection of highway engineering

Abstract

The utility model relates to the technical field of sampling devices, and discloses a coring bit for road engineering pavement quality detection, which comprises a mounting ring capable of being used for road engineering pavement quality detection, two handles are fixed on the surface of the mounting ring, an annular groove is arranged on the inner wall of the mounting ring, a sampling component is arranged on the surface of the annular groove, and the sampling component is arranged on the surface of the annular groove. An output structure is arranged on the surface of the sampling assembly, a driving device is arranged on the surface of the output structure, and the driving device is connected with the mounting ring. The drill bit body can be used for intercepting concrete at a waste sampling point, so that the concrete is prevented from being filled into the coring drill bit, and the problem that when an existing device is used, a large number of other samples are filled into the device, and the pulling-out labor amount of workers in the later period is increased is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to a coring drill bit used for road surface quality detection in highway engineering. Background Art

[0002] After the construction of the highway is completed, in order to ensure that the strength of the road surface meets the requirements, workers are required to take samples of the road surface concrete. Because the sampling point is located inside the concrete, a core drill will be used.

[0003] However, when the existing coring drill bit is used, because it starts drilling directly from the concrete surface, a large number of samples before the sampling point will be filled in the inside of the coring drill bit, which will increase the total weight of the device and cause the staff to spend a lot of labor when removing the equipment later. Therefore, a coring drill bit for road quality inspection of highway engineering is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a coring drill bit for road quality inspection of highway engineering, so as to solve the problem that the existing device proposed in the above-mentioned background technology, when in use, because it starts drilling directly from the concrete surface, a large number of samples before the sampling point will be filled in the inside of the coring drill bit, which will increase the total weight of the device and cause the staff to spend a lot of labor when removing the equipment later.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coring drill bit for highway engineering pavement quality inspection, comprising a mounting ring that can be used for highway engineering pavement quality inspection, two handles are fixed on the surface of the mounting ring, an annular groove is opened on the inner wall of the mounting ring, a sampling assembly is arranged on the surface of the annular groove, an output structure is arranged on the surface of the sampling assembly, a driving device is arranged on the surface of the output structure, and the driving device is interconnected with the mounting ring.

[0006] Preferably, the sampling assembly comprises a slide plate, a vertical plate and a coring drill body, the inner wall of the annular groove is connected to the slide plate, the bottom of the slide plate is fixed with a vertical plate, and the surface of the vertical plate is bolted to the coring drill body.

[0007] Preferably, two of the vertical plates are provided, and the two vertical plates are symmetrically distributed about the longitudinal center axis of the skateboard.

[0008] Preferably, the slide plate forms a snap-fit ​​sliding structure with the mounting ring through an annular groove.

[0009] Preferably, the output structure comprises a drill body, a connecting tube and a motor, the drill body is attached to the inner wall of the core drill body, a connecting tube is fixed to the top surface of the drill body, the end of the connecting tube passes through the interior of the slide, and the motor is fixed to the end of the connecting tube.

[0010] Preferably, the connecting pipe is of rectangular structure, and the connecting pipe and the slide plate are connected in a snap-fitting sliding manner.

[0011] Preferably, the driving device comprises a transverse plate and an electric push rod, the transverse plate is fixed to the side of the motor, the electric push rod is fixed to the bottom of the transverse plate, and the electric push rod is fixed to the mounting ring.

[0012] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0013] 1. The utility model uses the mutual cooperation of the mounting ring, the handle, the annular groove and the sampling assembly so that the device can penetrate deep into the road concrete when in use to perform sampling operations, thereby detecting the road quality.

[0014] 2. The utility model cooperates with the output structure, the driving device and other parts, so that when the device is in use, during the drilling process, the drill bit body can be used to intercept the concrete at the waste sampling point, thereby preventing it from filling into the inside of the core drill bit, thereby solving the problem that when the existing device is in use, a large number of other samples will be filled into the inside of the device, increasing the labor of the later staff to remove them. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model from a third viewing angle;

[0019] Figure 4 This is a schematic diagram of the structure of the utility model from a fourth viewing angle;

[0020] Figure 5This is a schematic diagram of the fifth viewing angle structure of the present utility model.

[0021] Explanation of the reference numerals: 1. mounting ring; 2. handle; 3. annular groove; 4. sampling assembly; 401. slide plate; 402. vertical plate; 403. coring drill body; 5. output structure; 501. drill body; 502. connecting pipe; 503. motor; 6. driving device; 601. horizontal plate; 602. electric push rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0025] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0026] Example

[0027] In the prior art, when in use, because drilling starts directly from the concrete surface, a large number of samples before the sampling point will be filled in the interior of the coring drill bit, which will increase the total weight of the device and cause the staff to spend a lot of labor when removing the equipment later.

[0028] See also Figure 1-5 The utility model provides a technical solution: a coring drill bit for road surface quality inspection of highway engineering, comprising a mounting ring 1 that can be used for road surface quality inspection of highway engineering, two handles 2 are fixed on the surface of the mounting ring 1, an annular groove 3 is opened on the inner wall of the mounting ring 1, a sampling assembly 4 is arranged on the surface of the annular groove 3, an output structure 5 is arranged on the surface of the sampling assembly 4, a driving device 6 is arranged on the surface of the output structure 5, and the driving device 6 is connected to the mounting ring 1. In order to facilitate the sampling of concrete in road construction and facilitate quality inspection, a sampling assembly 4 is arranged, the sampling assembly 4 comprises a slide plate 401, a vertical plate 402 and a coring drill bit body 403, the inner wall of the annular groove 3 is connected with the slide plate 401, the bottom of the slide plate 401 is fixed with the vertical plate 402, the surface of the vertical plate 402 is bolted with the coring drill bit body 403, two vertical plates 402 are arranged, and the two vertical plates 402 are symmetrically distributed about the longitudinal center axis of the slide plate 401, and the slide plate 401 forms a snap-fit ​​sliding structure with the mounting ring 1 through the annular groove 3.

[0029] In order to provide power output for drilling operations, reduce the amount of other samples entering the interior of the core drill bit body 403, reduce the total weight of the device, and facilitate the staff to take it later, an output structure 5 is provided, the output structure 5 includes a drill bit body 501, a connecting pipe 502 and a motor 503, the inner wall of the core drill bit body 403 is fitted with the drill bit body 501, the top surface of the drill bit body 501 is fixed with a connecting pipe 502 by bolts, the end of the connecting pipe 502 passes through the interior of the slide 401, the end of the connecting pipe 502 is fixed with the motor 503, the connecting pipe 502 is of a rectangular structure, and the connecting pipe 502 and the slide 401 are in a snap-fit ​​sliding connection, in order to facilitate the sampling of samples at the sampling point, a driving device 6 is provided, the driving device 6 includes a horizontal plate 601 and an electric push rod 602, the horizontal plate 601 is fixed to the side of the motor 503, the electric push rod 602 is fixed to the bottom of the horizontal plate 601, and the electric push rod 602 is fixed to the mounting ring 1.

[0030] The model of electric linear actuator 602 is DMDT.

[0031] Working principle or structural principle, first, when sampling, the staff can grasp the device through the handle 2, and then start the motor 503 to drive the connecting tube 502 to rotate. Because the connecting tube 502 is bolted to the drill body 501, when the connecting tube 502 rotates, it will drive the drill body 501 to rotate. At the same time, the connecting tube 502 will also drive the slide plate 401 to rotate through the locking effect. When the slide plate 401 rotates, it will drive the coring drill body 403 to rotate through the vertical plate 402, thereby achieving the purpose of drilling. When the coring drill body 403 is located at the specified sampling depth, the staff starts the electric push rod 602 to drive the horizontal plate 601 and the motor 503, the connecting tube 502 and the drill body 501 to move upward, thereby exposing the hole under the coring drill body 403, and with continuous drilling, sampling at a specific point can be completed. After sampling is completed, the staff can remove the device.

[0032] The device has the advantages of simple structure and labor-saving operation.

[0033] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0034] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

[0035] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coring drill bit for road surface quality inspection of highway engineering, comprising a mounting ring (1) for road surface quality inspection of highway engineering, characterized in that: Two handles (2) are fixed on the surface of the mounting ring (1); an annular groove (3) is provided on the inner wall of the mounting ring (1); a sampling assembly (4) is provided on the surface of the annular groove (3); an output structure (5) is provided on the surface of the sampling assembly (4); a driving device (6) is provided on the surface of the output structure (5); and the driving device (6) is connected to the mounting ring (1).

2. A coring drill bit for road surface quality inspection in highway engineering according to claim 1, characterized in that: The sampling assembly (4) comprises a slide plate (401), a vertical plate (402) and a core drill body (403); the inner wall of the annular groove (3) is connected to the slide plate (401); the bottom of the slide plate (401) is fixed with the vertical plate (402); the surface of the vertical plate (402) is bolted to the core drill body (403).

3. A coring drill bit for road quality inspection of highway engineering according to claim 2, characterized in that: Two vertical plates (402) are provided, and the two vertical plates (402) are symmetrically distributed about the longitudinal center axis of the slide plate (401).

4. A coring drill bit for road quality inspection of highway engineering according to claim 2, characterized in that: The slide plate (401) forms a snap-fit ​​sliding structure with the mounting ring (1) via the annular groove (3).

5. A coring drill bit for road surface quality inspection in highway engineering according to claim 2, characterized in that: The output structure (5) comprises a drill body (501), a connecting pipe (502) and a motor (503); the drill body (501) is attached to the inner wall of the core drill body (403); the connecting pipe (502) is fixed to the top surface of the drill body (501); the end of the connecting pipe (502) passes through the interior of the slide plate (401); and the motor (503) is fixed to the end of the connecting pipe (502).

6. A coring drill bit for road surface quality inspection in highway engineering according to claim 5, characterized in that: The connecting pipe (502) is of rectangular structure, and the connecting pipe (502) and the slide plate (401) are connected in a snap-fitting sliding manner.

7. A coring drill bit for road surface quality inspection in highway engineering according to claim 5, characterized in that: The driving device (6) comprises a transverse plate (601) and an electric push rod (602); the transverse plate (601) is fixed to the side of the motor (503); the electric push rod (602) is fixed to the bottom of the transverse plate (601); and the electric push rod (602) is fixed to the mounting ring (1).

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